International Standard number, and applicable year, ISO 17357:2014 • Size, diameter and length :like D3.3X L6.5 • Initial internal pressure : 50 KPA/80 KPA • Date of manufacture or its abbreviation :Feb 2020 • Full or abbreviated name of manufacturer: HENGER • Individual serial number:01 / 02 / 03 • Type of reinforcement layer :Dipped tire cord fabric